The first round of fan votes for the Billboard Music Awards' second annual Milestone Award, presented by Chevrolet, are in: country superstar Carrie Underwood, rising U.K. pop phenom Ellie Goulding and pop-rock mainstays OneRepublic have advanced to the final three! Vote now to decide who wins!

Ellie Goulding, Imagine Dragons, John Legend, Carrie Underwood, OneRepublic and Luke Bryan are all in contention for the Billboard Music Awards' fan-voted Milestone Award, presented by Chevrolet. There are only a few days left to vote in the first round and help your favorite make it to the final three.

The first round of live guests for this year's Billboard Music Awards has been announced and it's a star-studded selection of recent chart-toppers. Imagine Dragons, Luke Bryan, John Legend and OneRepublic have all been confirmed for performances, joining previously announced performer Jason Derulo in the lineup.

Imagine Dragons, John Legend, Luke Bryan, OneRepublic, Ellie Goulding and Carrie Underwood are the six Milestone Award finalists at the 2014 Billboard Music Awards, to be held May 18 at the MGM Grand Garden Arena in Las Vegas.

The Billboard Music Awards had a viewing audience of 9.47 million, a 28 percent spike over 2012's audience of 7.4 million viewers, Nielsen reported. The show was No. 1 Sunday night in the advertiser-coveted 18-49 demographic, pulling in 4.6 million viewers in the age group.

Taylor Swift and her 3.7 million-selling "Red" dominated the 2013 Billboard Music Awards on Sunday night (May 19), taking home eight trophies as Gotye's "Somebody That I Used To Know" swept four major song categories and Rihanna ruled R&B.